| 1. | Gullies for buildings - part 4 : access covers 建筑物集水沟.第4部分:入口盖 |
| 2. | Gullies for buildings - access covers 建筑物集水沟.检查口盖 |
| 3. | Bolted on , top entry single access cover for ease of maintenance 螺栓固定,顶部进入的唯一检修盖,便以维护。 |
| 4. | Gullies for buildings - part 4 : access covers ; german version en 1253 - 4 : 1999 建筑物的雨水进口.第4部分:入口封盖物 |
| 5. | Remove the access cover ( s ) 拆卸观察盖板。 |
| 6. | Replace the insulation . make sure the thermostat ( s ) are well covered . replace the access cover ( s ) 重新放好绝缘保温层。确保温控器被完好覆盖。重新安装观察盖板。 |
| 7. | Service of all internal components shall be through a single access cover secured with stainless steel bolts 通过不锈钢螺栓固定的单个检修盖应该能够维修所有内部部件。 |
| 8. | Remove the access cover ( s ) and fold the insulation outward and away from the thermostat ( s ) . do not remove the plastic cover 拆卸观察盖板和温控器外部的绝缘保温层。不要拆卸塑料盖。 |
| 9. | Service of check valve components shall be through a single stainless steel access cover secured with stainless steel bolts 维修止回阀部件应该通过唯一的用不锈钢螺栓紧固的不锈钢检修盖进入进行。 |
| 10. | Underground telecommunications works for vehicular and pedestrians traffic areas - part 2 : access covers and frames - requirements , testing , marking 车辆和人行道区域的底下通讯作业.第2部分:进口盖和框架.要求试验和作标记 |